vs

MySQL vs MySQL HeatWave

MySQL: The web's default open-source SQL database, now on calendar versioning with 9.7 as the LTS line. MySQL HeatWave: Oracle's managed MySQL with an in-memory columnar engine for analytics, lakehouse, ML and vector search.

key differences

  • Licensing: MySQL is open source (copyleft) (GPL-2.0 (Community) / commercial (Enterprise)); MySQL HeatWave is proprietary (Proprietary managed service (MySQL core is GPLv2)).
  • MySQL HeatWave is built for larger datasets (≤ 1 PB) than MySQL (≤ 10 TB).
  • Horizontal scaling is addon in MySQL and native in MySQL HeatWave.
  • Only MySQL has online schema changes.
  • Only MySQL HeatWave has vector search, materialized views, columnar storage, in-memory.

choose mysql for

  • +Web applications and CMS backends (WordPress, Drupal, Magento)
  • +Read-heavy SaaS OLTP with replicas
  • +Sharded high-traffic systems via Vitess
  • +E-commerce catalogs and order systems

best at · OLTP, Content, Metadata

choose mysql-heatwave for

  • +Real-time dashboards on MySQL application data
  • +Consolidating a MySQL OLTP database and a separate warehouse
  • +RAG and semantic search over MySQL-resident content
  • +Querying data-lake files with MySQL SQL

best at · HTAP, OLTP, OLAP

overview
Primary model
Relational
Relational
Also supports
Document, Spatial
Columnar / OLAP, Document, Vector, Spatial
Type
Database engine
Managed service
Status
Active
Active
Developer
Oracle Corporation
Oracle Corporation
First release
1995
2020
Latest version
26.10.0 (Oct 20, 2026)
26.10.0 (innovation) (Oct 20, 2026)
License
Open source (copyleft)GPL-2.0 (Community) / commercial (Enterprise)
ProprietaryProprietary managed service (MySQL core is GPLv2)
Free tier
✓
✓
popularity
WhichDB Score
82.3
0.5
Rank
#3
#633
GitHub stars
12.5K
–
Stack Overflow questions
657K
–
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Large (≤ 1 PB)
Horizontal scaling
Addon
Native
Multi-region
Read replicas
Read replicas
ACID
Full
Full
Consistency
Strong, Eventual
Strong
Schema
Strict
Strict
Architecture
Single node, Primary replica, Multi primary, Client server
Distributed, Primary replica, In memory
deployment
Self-hosted
✓
—
Vendor-managed cloud
—
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
AWS, Google Cloud, Azure, Oracle Cloud, Alibaba Cloud, DigitalOcean
Oracle Cloud, AWS, Azure
capabilities
Transactions
✓
✓
Joins
✓
✓
Secondary indexes
✓
✓
Full-text search
✓
✓
Vector search
—
✓
Geospatial
✓
✓
JSON
✓
✓
Change data capture
✓
✓
Triggers
✓
✓
Stored procedures
✓
✓
Materialized views
—
✓
TTL / expiry
—
—
Pub/Sub
—
—
Columnar storage
—
✓
In-memory
—
✓
Durable persistence
✓
✓
Compression
✓
✓
Encryption at rest
✓
✓
Role-based access
✓
✓
Time travel
—
—
Branching
—
—
Online schema changes
✓
—
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SQL
SQL, JavaScript (stored programs)
Client languages
C, C++, Java, Python, JavaScript, Go, PHP, C#
Java, Python, JavaScript, Go, PHP, C#, C++
Best for
OLTP, Content, Metadata, Geo
HTAP, OLTP, OLAP, Real-time analytics

MySQL vs MySQL HeatWave: FAQ

What is the difference between MySQL and MySQL HeatWave?

MySQL: The web's default open-source SQL database, now on calendar versioning with 9.7 as the LTS line. MySQL HeatWave: Oracle's managed MySQL with an in-memory columnar engine for analytics, lakehouse, ML and vector search. Licensing: MySQL is open source (copyleft) (GPL-2.0 (Community) / commercial (Enterprise)); MySQL HeatWave is proprietary (Proprietary managed service (MySQL core is GPLv2)). MySQL HeatWave is built for larger datasets (≤ 1 PB) than MySQL (≤ 10 TB). Horizontal scaling is addon in MySQL and native in MySQL HeatWave.

When should I choose MySQL over MySQL HeatWave?

Choose MySQL for web applications and CMS backends (WordPress, Drupal, Magento); read-heavy SaaS OLTP with replicas; and sharded high-traffic systems via Vitess. Choose MySQL HeatWave for real-time dashboards on MySQL application data; consolidating a MySQL OLTP database and a separate warehouse; and RAG and semantic search over MySQL-resident content.

Is MySQL or MySQL HeatWave more popular?

MySQL ranks #3 on the WhichDB Score (82.3/100) and MySQL HeatWave ranks #633 (0.5/100). Popularity is not fit: check the requirements that matter for your project.

Are MySQL and MySQL HeatWave open source?

Yes. MySQL is open source. License: GPL-2.0 (Community) / commercial (Enterprise). No. MySQL HeatWave is proprietary, closed-source software.